Sentences with phrase «by cells in tissues»

The technique, called FDG PET - CT, uses the anatomical data obtained by CT scan, and overlays it with metabolic data of glucose uptake by cells in tissues.

Not exact matches

He earned degrees in cell biology and tissue engineering and eventually got a job in a lab run by Vladimir Mironov, who was investigating the use of bioprinting — 3 - D printing using living cells — to generate replacement organs.

Lie4Him, Schweitzer, one of the first scientists to use the tools of modern cell biology to study dinosaurs, has upended the conventional wisdom by showing that some rock - hard fossils tens of millions of years old may have remnants of soft tissues hidden away in their interiors.

The building block electronic and protonic actual occasions are, in the case of human beings, swept into vastly more complex, Chinese box - like sets of containing societies within which there are social levels that can be identified with cells, others which answer to Aristotle's levels of tissues and organs, and which finally are presided over by what Whitehead refers to as the regnant nexus, a social thread of complex temporal inheritance which, Whitehead suggests, wanders from part to part of the brain, is the seat of conscious direction of the organism as a whole, and answers to what in Plato and Aristotle is called the soul.

Hydrolyzed Collagen is the missing link in supplying amino acids like glycine, proline and lysine that are required by the body to build connective tissue to regulate cell growth.

The antioxidants in AppleActiv play an important role in neutralizing oxidative damage caused by free radicals, repairing damage and protecting the normal functioning of cells and tissues.

If the egg is fertilized by a sperm cell, it stays in the uterus and grows into a baby, using that extra blood and tissue to keep it healthy and protected as it's developing.

The tutorials will teach you how to recognize bacterial mastitis caused by cuts and cracks in the nipples giving a leeway for microbes to infest and attack the mammary cells and tissues leading to infection in the breasts.

IRON: Present in all cells; one of the constituents of hemoglobin which carries oxygen to the tissues by blood circulation.

Stem cell research and diabetes Stem cell research is a relatively new area of investigation, believed by many in the scientific and medical communities to have important new potential for the treatment of many diseases and conditions particularly those like diabetes, which are characterised by severe damage to certain cells and tissues..

Each factor involved in the tumor response — whether it is the speed with which chemotherapeutic drugs reach the tissue or the degree to which cells signal each other to grow — is characterized by a mathematical equation that captures its essence.

What's new in the Czech study, explains pathologist Carol Meteyer of the U.S. Geological Survey's National Wildlife Health Center in Madison, Wisc., is the confirmation of tissue damage characteristic of clinical white - nose sydrome: skin being digested by the pathogen as the fungi's fibrous segments enter a bat's wing and begin replacing its cells.

The biobank of MedUni Vienna and Vienna General Hospital is a central service facility dedicated to the storage of human tissue, cell material and body fluids for more in - depth diagnosis, academic research projects and clinical tests, as well as working - up samples by way of a medical service.

In an amazing feat of tissue engineering, Anthony Atala and his research team at the Children's Hospital in Boston are creating new organs in the laboratory using patients» own cells and by employing the same technology used to clone Dolly the sheeIn an amazing feat of tissue engineering, Anthony Atala and his research team at the Children's Hospital in Boston are creating new organs in the laboratory using patients» own cells and by employing the same technology used to clone Dolly the sheein Boston are creating new organs in the laboratory using patients» own cells and by employing the same technology used to clone Dolly the sheein the laboratory using patients» own cells and by employing the same technology used to clone Dolly the sheep.

This may be one of the most important facets of studying regeneration in these animals because they provide a completely different approach to tissue regeneration than that offered by stem cells.

RNAScope ISH was developed by Advanced Cell Diagnostics (ACD) Inc., initially for studies of gene expression in animal (and especially human) tissues.

Researchers used tissue and blood samples to show that the gammopathy (a precursor to myeloma) in both mice and patients with Gaucher disease is triggered by specific lipids, and that the antibodies made by tumor cells in nearly a third of myeloma patients are directed against such lipids.

Because heart cells lose their ability to divide soon after we are born, when the cells die — in a heart attack, say — the dead tissue is replaced by scar tissue rather than new muscle.

Furthermore, the same team is applying new microgravity technology — originally developed by NASA for the International Space Station — to make large enough quantities of the stem cells to repair tissue damage in patients.

Still, how melanoma cells join into tumors — whether by individual cells coming together or small or large clusters of cells doing so — follows the same pattern as breast tissue cancer cells: Cables are extended to reel in other cells or clusters.

Measuring a few millimetres across, the pieces of intestinal tissue made by the month - long process contain all the cells and features found in normal gut tissue, and grow by the same route as in embryos.

Emissions from e-cigarette aerosols and flavorings damage lung cells by creating harmful free radicals and inflammation in lung tissue, according to the UR study published in the journal PLOS ONE.

These techniques include: human tissue created by reprogramming cells from people with the relevant disease (dubbed «patient in a dish»); «body on a chip» devices, where human tissue samples on a silicon chip are linked by a circulating blood substitute; many computer modelling approaches, such as virtual organs, virtual patients and virtual clinical trials; and microdosing studies, where tiny doses of drugs given to volunteers allow scientists to study their metabolism in humans, safely and with unsurpassed accuracy.

The result was the largest deletion ever observed in the dystrophin gene using CRISPR / Cas9, and the study was the first to create corrected human iPS cells that could directly restore functional muscle tissue affected by Duchenne.

Chien Ho, professor of biological sciences at Carnegie Mellon University, and his colleagues have developed a novel way to improve delivery of chemotherapy nanodrugs by using Intralipid ®, an FDA - approved nutrition source to temporarily blunt the reticuloendothelial system — a network of cells and tissues found throughout the body, including in the blood, lymph nodes, spleen and liver, that play an important role in the immune system.

This work stems from a previous study by Varghese's group to understand how calcium phosphate minerals found in bone tissue induce stem cells to differentiate into osteoblasts.

«All of the known cells in this tissue remained the same, but we found a previously unidentified zone populated by unique basal progenitor cells,» he said.

Researchers at the University of California San Diego have discovered an easy and efficient way to coax human pluripotent stem cells to regenerate bone tissue — by feeding them adenosine, a naturally occurring molecule in the body.

Recent studies suggest that the total loss in brain volume due to atrophy — a wasting away of tissue caused by cell degeneration — between our teen years and old age is 15 percent or more, which means that by the time we're in our seventies, our brains have shrunk to the size they were when we were between 2 and 3 years old.

«Our studies imply that the change of oxygen levels in different tissues can be sensed by Treg cells and that this process is critically important for maintaining the correct balance between activation and suppression of the immune system,» says Liu.

By reactivating telomerase activity in stem - cell derived tissue transplants, Geron could provide patients with a life - time warranty on their new parts.

By plotting the lifetime incidence of various cancers against the estimated number of normal stem cell divisions in the corresponding tissues over a lifetime, they found a strong correlation extending over five orders of magnitude.

The new device uses light scattering spectroscopy (LSS) to detect the structural changes that occur in cancerous or pre-cancerous cells by bouncing light off tissues and analyzing the reflected spectrum.

In his thirties, he learned about a new way to stain tissue developed by the Italian Camillo Golgi: a new silver - based stain that turned some nerve cells completely black while leaving most others entirely untouched, rendering the delicate branches of the nerve processes clearly visible (as seen in the image on the leftIn his thirties, he learned about a new way to stain tissue developed by the Italian Camillo Golgi: a new silver - based stain that turned some nerve cells completely black while leaving most others entirely untouched, rendering the delicate branches of the nerve processes clearly visible (as seen in the image on the leftin the image on the left).

In mice, this form of lipodystrophy was also characterized by «whitening» of brown fat cells, a loss of white fat, and signs of metabolic syndrome, including insulin resistance, fat tissue inflammation, dyslipidemia (elevated cholesterol and fat), increased resting energy use, and increased markers of cardiovascular disease.

Yet even with all of these tricks, light can only penetrate so far into coral tissue; it tends to drop off the deeper you go, as in forests, making getting by more difficult for cells at the bottom of tissue.

Until recently, Ain was renowned for a highly prized repository of 18 immortal cancer cell lines, which he developed by harvesting tissue from his patients» tumors after removal, carefully culturing them to everlasting life in vials.

«Our data clearly showed that one of the protein receptors on white blood cells called CXCR3 brings white blood cells to the optic nerve in response to production of its binding partner CXCL10 by damaged nerve tissue,» said Zhang.

Tissue engineers have been unable to grow epidermis with the functional barrier needed for drug testing, and have been further limited in producing an in vitro (lab) model for large - scale drug screening by the number of cells that can be grown from a single skin biopsy sample.

«About five percent of people have some kind of cartilage tumor in their bones, and in most cases it's because the growth - plate cartilage cells weren't fully replaced by bone tissue,» Alman said.

However, cancer cells may instead be coaxed to turn back into normal tissue simply by reactivating a single gene, according to a study published June 18th in the journal Cell.

However, cancer cells may instead be coaxed to turn back into normal tissue simply by reactivating a single gene, according to a study that found that restoring normal levels of a human colorectal cancer gene in mice stopped tumor growth and re-established normal intestinal function within only 4 days.

Body Bazaar: The Market for Human Tissue in the Biotechnology Age, Lori Andrews and Dorothy Nelkin (Crown) Your DNA, cells, and tissue are viewed by biotechnologists as resources ripe for harveTissue in the Biotechnology Age, Lori Andrews and Dorothy Nelkin (Crown) Your DNA, cells, and tissue are viewed by biotechnologists as resources ripe for harvetissue are viewed by biotechnologists as resources ripe for harvesting.

They also applied it to human brain tissue collected by the Genotype - Tissue Expression (GTEx) Project, finding that they could a) identify expression signatures unique to neurons, glial cells, and other cell types in the brain (including rare types), and b) differentiate between closely related cell subtissue collected by the Genotype - Tissue Expression (GTEx) Project, finding that they could a) identify expression signatures unique to neurons, glial cells, and other cell types in the brain (including rare types), and b) differentiate between closely related cell subTissue Expression (GTEx) Project, finding that they could a) identify expression signatures unique to neurons, glial cells, and other cell types in the brain (including rare types), and b) differentiate between closely related cell subtypes.

But this form of tissue regeneration does not occur in humans, so the researchers recreated similar conditions in the laboratory by growing human cells as 3D aggregates.

The latter can be primed in tissue culture by providing small numbers of dendritic cells.

Moreover, she found, once the toxins are taken up by cells lining the mammalian gut, these sections become activated, setting in motion a chain of intracellular events that causes intestinal inflammation and tissue damage.

Saatchi, which is owned by France's Publicis Groupe, SA, chose LifeStraw over a field of competitors that included a reusable controller to improve the distribution of IV fluids, a collapsible wheel that can be folded down for easier storage when not in use on bicycles or wheelchairs, an energy - efficient laptop designed for children in developing countries, a 3 - D display that uses special optics and software to project a hologramlike image of patient anatomy for cancer treatment, an inkjet printing system for fabricating tissue scaffolds on which cells can be grown, a visual prosthesis for bypassing a diseased or damaged eye and sending signals directly to the brain, books with embedded sound tracks to help educate illiterate adults on health issues, a phone that provides telecommunications coverage to poor rural populations in developing countries, and a brain - computer interface designed to help paralyzed people communicate via neural signals.

Since a primary function of the dendritic cells is to present an antigen to T - cells, to activate the T - cells and begin the immune response, the researchers suspected that T - cell activation in the heart tissue, and perhaps heart - tissue injury caused by T - cells, might be central to the pathological heart enlargement that is called remodeling.

In addition to providing an alternative to embryonic stem cells for potential use in regenerating diseased tissues, iPS cells are being used to learn more about diseases, especially diseases driven by mutated geneIn addition to providing an alternative to embryonic stem cells for potential use in regenerating diseased tissues, iPS cells are being used to learn more about diseases, especially diseases driven by mutated genein regenerating diseased tissues, iPS cells are being used to learn more about diseases, especially diseases driven by mutated genes.